Cartridge



FIG. 1 is a top perspective view of a cartridge in accordance with our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line showing of the piston and shoulder indentations is for the purpose of illustrating portions of the cartridge and forms no part of the claimed design. 

CLAIM The ornamental design for a cartridge, substantially as shown and described. 